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What you are saying is "discrete diffusion simulation[s]" do not adequately model/explain real economic dynamics.

So this is a valid contribution to economics in the form of an inadequate dynamic model.

> So this is a valid contribution to economics in the form of an inadequate dynamic model.

With that line of reasoning, don't you feel that anything is a "valid contribution to economics" ?

No, for example if we were discussing a model of weather, that would not directly be a contribution to economics.

Weather has a rather strong influence on economics, for example as a predictor of future crop prices. The better the weather model, the more accurately prices can be forecast.

Hedge funds very definitely watch the weather projections.

Yes, so that would be at best an _indirect_ contribution to economics.

It's economics. Nothing in the field is adequate.

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